Snorkel A46JRT - Page 71

Chapter 11 – Troubleshooting
A46JRT – 0260996 63
Symptom
Constant tone alarm sounds
while the engine is running.
Constant tone alarm sounds
and engine shuts off.
All functions stop working.
Lower controls do
not work.
Upper controls do
not work.
Continued on next page...
Possible Cause
High engine temperature.
Low oil pressure.
High engine temperature.
Low oil pressure.
Low fluid level in reservoir.
Engine or pump failure.
Circuit breaker is tripped.
Electrical system malfunction.
Battery disconnect switch turned off.
Emergency stop button at lower con-
trols is pushed in to the off position.
Controls switch is in the upper con-
trol position.
Ground operation switch not held in
the on position.
Ground operation switch held up-
ward for too long without operating
a function. A function must be oper-
ated within 10 seconds of activating
the ground operation switch, or no
functions will operate.
Battery disconnect switch turned off.
Emergency stop button at lower and
upper controls is in the off position.
Corrective Action
Lower the platform and reduce the
engine speed to idle for five minutes.
Turn the engine off and let it cool. Do
not restart the engine until the cause
of overheating has been corrected.
Lower the platform and turn the
engine off. Do not restart the engine
until the cause of low oil pressure has
been corrected.
Let the engine cool. Do not restart the
engine until the cause of overheating
has been corrected.
Do not restart the engine until the
cause of low oil pressure has been
corrected. The engine can be re-
started with low oil pressure, but it
will only run a few seconds before it
shuts off again.
Check fluid level. Add correct type of
fluid if necessary.
Manually stow the machine using the
emergency power system.
Push circuit breaker button in to
reset.
Manually lower the boom using the
emergency power system.
Place switch in the on position.
Pull the emergency stop button
outward.
Place the switch in the lower control
position.
Hold the ground operation switch in
the on position while operating the
control toggle switches.
Release the ground operation switch.
Operate machine function within 10
seconds of operating the ground
operation switch.
Place switch in the on position.
Pull the emergency stop buttons
outward.